/*
 * Copyright (c) 2008, Artur Emagulov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * 27.08.2008
 * atoms.h - entries to very low level functions, entirely written in assembly
 * language. See 'atoms.S' for implementation details.
 */

#ifndef _ARM_ATOMS_H_
#define _ARM_ATOMS_H_

#include <arch/arch.h>

#ifndef __ASSEMBLY__

#ifdef __cplusplus
extern "C" {
#endif

extern void	trap_default(void);
extern void	syscall_entry(void);
extern void	syscall_ret(void);
extern void	abort_ret(void);
extern void	cpu_switch(struct kern_regs *, struct kern_regs *);
extern void	cpu_reset(void);
extern void flush_tlb(void);
extern void stack_setup(void);

/*
 * Get/Set registers
 */
extern u32	get_p15_c0(void);
extern u32	get_p15_c1(void);
extern u32	get_p15_c2(void);
extern u32	get_p15_c5(void);
extern u32	get_p15_c6(void);
extern u32	get_p15_c6_2(void);
extern u32	get_p15_c6_1(void);

extern void set_p15_c0(u32);
extern void set_p15_c1(u32);
extern void set_p15_c2(u32);

/*
 * in/out workaround
 */
extern void	outb_p(u8, int);
extern u8	inb_p(int);

extern void	__outb(u8, int);
extern u8	__inb(int);

extern void	__outw(u16, int);
extern u16	__inw(int);

extern void	__outl(u32, int);
extern u32	__inl(int);

extern void	cpu_idle(void);

/*
 *
 */
extern void interrupt_enable(void);
extern void interrupt_disable(void);
extern void interrupt_ret(void);

#ifdef __cplusplus
};
#endif

#endif /*__ASSEMBLY__*/

#endif /* _ARM_ATOMS_H_*/
